PDF malware analysis — malicious · 1a24dc1fc7474478

MALICIOUS

PDF

10.7 KB Created: 2009-03-22 05:05:35 Authoring application: hTkNXKmKeffIobYyB (via ITFLxOrVHZUdVnNcVb)

MD5: 5d3dfbc40567087fd9852e13a3af1062 SHA-1: def85c0464b0bed3dec384d42842339a912eff40 SHA-256: 1a24dc1fc74744789a7616e4affb73d56459797a84c798ccc67303f7413556eb

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-35572. Static analysis revealed embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. This JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to download and execute a secondary payload. The document body contains obfuscated text, which is common in lures for such attacks.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `cd8f9da40c92ba8e2aed472e85fdab74f90a948c8ebc25ab89360eb7eb37471d`	pdf-javascript-stream	PDF /JS object 7 at offset 0x48D	9054 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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